No boundary data error

[durack1]

This issue appears was originally created in the cdms repo and relates to CDAT/cdms#107 and CDAT/cdms#108. It has been recreated here to ensure that it's fixed within the vcs side:

/work/cmip5/fx/fx/areacello/cmip5.bcc-csm1-1-m.piControl.r0i0p0.fx.ocn.fx.areacello.ver-v20130307.latestX.xml
Traceback (most recent call last):
  File "make_evsp.py", line 99, in <module>
    c.plot(tmp)
  File "/export/duro/anaconda2/envs/uvcdat280nox/lib/python2.7/site-packages/vcs/Canvas.py", line 2564, in plot
    a = self.__plot(arglist, keyargs)
  File "/export/duro/anaconda2/envs/uvcdat280nox/lib/python2.7/site-packages/vcs/Canvas.py", line 3679, in __plot
    arglist[0] = self._reconstruct_tv(arglist, keyargs)
  File "/export/duro/anaconda2/envs/uvcdat280nox/lib/python2.7/site-packages/vcs/Canvas.py", line 709, in _reconstruct_tv
    mesh = grid.getMesh()
  File "/export/duro/anaconda2/envs/uvcdat280nox/lib/python2.7/site-packages/cdms2/hgrid.py", line 236, in getMesh
    raise CDMSError, 'No boundary data is available for grid %s'%self.id
cdms2.error.CDMSError: No boundary data is available for grid grid_600

@doutriaux1 @dnadeau4 pinging you here. @danlipsa let me know if you want a demo file